Strawberry is one of the most important commercial fruit crops in the world. Because of the genetic limitations associated with high heterozygosity and polyploidy, it is laborious, costly, and time-consuming to improve strawberry quality and yield by the conventional methods of breeding, which usually results in a low frequency. A major challenge remains in commercial strawberry cultivars for the lack of good varieties with resistance to coldness, insects and disease. Recent advances and applications in gen...